Enhance your audio-visual experience with our HD Multimedia Interface Mixer, designed to deliver superior sound and video quality for a variety of devices. Principle: This innovative mixer amplifies and echoes sound from an external microphone, seamlessly blending it with the original audio. The combined output, including both video and sound, is delivered through the HD multimedia interface port, ensuring a rich and immersive experience. HD Display: Transform your viewing experience with our Digital Mixer, which converts 1080P or lower resolution videos to stunning 4K2K size. Enjoy crystal-clear visuals on your 4K2K TV, bringing every detail to life with vibrant clarity. Adjustable Sound: Equipped with a built-in sound processor, this mixer allows you to adjust sound levels to your preference. Its robust design ensures durability, making it a reliable choice for enhancing your audio setup. Multipurpose: Versatile and efficient, this mixer is compatible with 4K source players and 4K TV monitors. It operates on a DC 12V power supply, making it suitable for various settings and applications. Applicable: Perfect for a wide range of devices, this mixer is compatible with Android TV boxes, Android set-top boxes, DVD players, HD multimedia interface dongles, laptops, computers, and more. Whether for home entertainment or professional use, it offers unparalleled flexibility and performance. Upgrade your entertainment system with our HD Multimedia Interface Mixer, and enjoy the perfect blend of high-quality sound and video.